Specs and Drawings.pdf

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Request for Information for Replacement of RF Power Monitor
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NEXRADRFPOWER00001
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This is a specification control drawing for an RF Power Monitor used in the WSR-88D radar system, with drawing number 1213625 revision G. The document details technical specifications for a microwave pulsed power measurement device that operates in the 2.7-3.0 GHz frequency range.

The RF Power Monitor has dual range capability (mid range X1=10mW and high range X10=100mW) with DC output voltage of 100mV full scale for both ranges. Key specifications include ±6% accuracy at full and half scale, 50 ohm nominal RF input impedance, maximum 10W RF peak power input, and operating temperature range of -40°C to +49°C. The unit requires ±15 VDC power supply with ±3VDC tolerance at 4mA maximum current draw. Two suggested sources of supply are listed: L-3 Communications Narda Microwave-East (part #466B-1) and General Microwave Corp (part #N425-838). The document includes detailed mechanical drawings showing dimensions and connector specifications for the Type N male RF input connector and MS3474W14-18P output connector.

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CAGE CODE 56232 DWG NO. 1213625 SHEET 1 OF 8

SIZE CAGE CODE DWG NO. REV

A 56232 1213625 G

SCALE NONE SHEET 1 OF 8

APPLICATION

NHA USED ON LTR DATE CO ECP O/A REVISION DESCRIPTION APVD

A 901120 D18338(NA) ADDED 1213714 TO NHA EC

B 910211 D18601(NA) REVISED & REDRAWN EVC

C 930402 B07568(NA) REVISED & REDRAWN EVC

D 940105 F01736(U) REVISED & REDRAWN EAS

E 011210 A00239(U) REVISED AND REDRAWN

DESIGN ACTIVITY

TRANSFERRED TO 0WY55

B.

URELL

1213714 1214777

NXRD

F 021008 A00963(M) CHANGE NARDA PART NO. B. URELL

G 060803 ECP 0287

ECO A02902

CHANGE ACCURACY FROM

4% TO 6%

GSS

DISTRIBUTION STATEMENT: A: Approved for public release; distribution is unlimited.

CURRENT DESIGN ACTIVITY CAGE CODE 0WY55

DOC/DOD/DOT

WSR-88D RADAR OPERATIONS CENTER

3200 MARSHALL AVENUE, NORMAN, OKLAHOMA 73072

SPECIFICATION CONTROL DRAWING

CONTR NO. 50-DMNW-8-00032

UNISYS CORPORATIONSHIPBOARD AND

GROUND SYSTEMS GROUP

GREAT NECK, NY 11020

APPROVALS NOMENCLATURE

DWN BP 89-03-16 CHK GP 89-03-21

QA BB 07-20-89 ENGR EG 89-07-17

STD EVC 07-17-89 MFG DP 07-01-89

MONITOR, RF POWER

CAGE CODE 56232 DWG NO. 1213625 SHEET 2 OF 8

SCALE NONE SHEET 2 OF 8

1 GENERAL

1.1 INTERPRET THIS DRAWING IN ACCORDANCE WITH MIL-STD-100.

1.2 IDENTIFICATION OF ANY SUGGESTED SOURCE(S) OF SUPPLY HEREON IS NOT TO BE CONSTRUED AS A GUARANTEE OF PRESENT OR CONTINUED AVAILABILITY AS A SOURCE OF SUPPLY FOR THE ITEM(S).

1.3 THIS UNIT IS USED TO MEASURE MICROWAVE PULSED POWER. ITS OUTPUT DC VOLTAGE SHALL BE

PROPORTIONAL TO THE INPUT AVERAGE POWER.

2 REQUIREMENTS

2.1 ELECTRICAL

2.1.1 FREQUENCY RANGE (Ghz): 2.7 TO 3.0

2.1.2 DYNAMIC RANGE (Db): 20

2.1.3 FULL SCALE POWER INPUT RANGE

MID (X1)=10 MILLIWATTS

HI (X10)=100 MILLIWATTS

SCALE CHANGE ACCOMPLISHED BY EXTERNAL WIRING

2.1.4 DC OUTPUT VOLTAGE FULL SCALE RANGE (PIN L POSITIVE WITH RESPECT TO PIN B)

MID (X1)=100 MILLIVOLTS

HI (X10)=100 MILLIVOLTS

2.1.4.1 ACCURACY: ± 1% OF FULL SCALE, EXCLUDING CALIBRATION ERROR FROM FULL SCALE TO MINIMUM

READING AT ANY FREQUENCY IN THE 2.7 TO 3.0 Ghz BAND.

2.1.4.2 ACCURACY: ± 6% AT FULL SCALE AND HALF SCALE ACROSS FREQUENCY BAND 2.7 TO 3.0 GHz.

2.1.5 DISPLAY RESISTANCE: 100 OHMS MINIMUM

2.1.6 INPUT VSWR: 1.5:1 MAXIMUM

2.1.7 RF INPUT IMPEDANCE: 50 OHMS NOMINAL

2.1.8 RF PEAK POWER INPUT: 10 WATTS MAXIMUM

2.1.9 TUNING AND ADJUSTMENTS: NO TUNING, ADJUSTMENTS OR CALIBRATION SHALL BE REQUIRED FOR

SPECIFIED PERFORMANCE EXCEPT FOR AN EXTERNAL ZERO-SET CONTROL. ANY REQUIRED

ADJUSTMENT SHALL BE FACTORY SET AND LOCKED.

2.1.10 ZERO-SET: WITH NO RF APPLIED AND THE UNIT CONNECTED AS SHOWN IN FIGURE 2, THE OUTPUT

SHALL BE CAPABLE OF BEING SET TO 0 ± .2 MILLIVOLTS.

2.1.11 TEMPERATURE COEFFICIENT, ZERO OFFSET (% PER DEGREE C)

CAGE CODE 56232 DWG NO. 1213625 SHEET 3 OF 8

SCALE NONE SHEET 3 OF 8

MID (X1): .050 MAXIMUM

HI (X10): .005 MAXIMUM

2.2 ENVIRONMENTAL

2.2.1 TEMPERATURE RANGE: OPERATING: -40°C TO +49°C

NON-OPERATING: -62°C TO +60°C

2.2.2 HUMIDITY: OPERATING AND NON-OPERATING: 15-100%

2.3 CONNECTORS

2.3.1 INPUT CONNECTOR (J1): STAINLESS STEEL TYPE N MALE.

INTERFACE DIMENSIONS PER MIL-C-39012.

2.3.2 OUTPUT CONNECTOR (J2): JAM NUT RECEPTACLE PER MS3474W14-18P OR EQUIVALENT.

2.3.2.1 OUTPUT CONNECTOR PIN ASSIGNMENTS: SEE FIGURE 2

2.4 POWER SUPPLY REQUIREMENTS: THE UNIT SHALL OPERATE FROM A POWER SUPPLY HAVING THE

FOLLOWING CHARACTERISTICS

+15 VDC ±3VDC AT 4 MILLIAMPERES MAXIMUM

-15 VDC ±3VDC AT 4 MILLIAMPERES MAXIMUM

REGULATION: ±.1%

2.5 MARKING

2.5.1 IDENTIFICATION: VENDOR IDENTIFICATION AND VENDOR PART NUMBER TO BE APPLIED BY VENDOR

PER MIL-STD-130.

2.5.2 ADDITIONAL MARKING: CONNECTOR DESIGNATIONS J1 AND J2 SHALL BE APPLIED, ADJACENT TO THE

INPUT AND OUTPUT CONNECTOR RESPECTIVELY, BY THE MANUFACTURER PER MIL-STD-130, IN THE

APPROXIMATE LOCATION AS SHOWN IN FIGURE 1.

CAGE CODE 56232 DWG NO. 1213625 SHEET 4 OF 8

SCALE NONE SHEET 4 OF 8

SUGGESTED SOURCE(S) OF SUPPLY

L-3 COMMUNICATIONS, NARDA MICROWAVE - EAST (CAGE CODE 99899)

HAUPPAUGE, NY

PART NO.: PER TABLE I

GENERAL MICROWAVE CORP. (CAGE CODE 11332)

AMITYVILLE, NY

PART NO.: PER TABLE I

TABLE I

DASH

NO.

NARDA PART NO. GENERAL MICROWAVE PART NO.

201 466B-1 N425-838

CAGE CODE 56232 DWG NO. 1213625 SHEET 5 OF 8

FIGURE 1

CONFIGURATION DASH 201

TOLERANCES UNLESS OTHERWISE SPECIFIED: .XXX±.010

SCALE NONE SHEET 5 OF 8

CAGE CODE 56232 DWG NO. 1213625 SHEET 6 OF 8

VIEW A-A

(SEE ALSO ALTERNATIVE VIEW A-A CONFIGURATION)

SCALE NONE SHEET 6 OF 8

CAGE CODE 56232 DWG NO. 1213625 SHEET 7 OF 8

VIEW A-A

ALTERNATE CONFIGURATION

SCALE NONE SHEET 7 OF 8

CAGE CODE 56232 DWG NO. 1213625 SHEET 8 OF 8

FIGURE 2

INTERCONNECTION DIAGRAM

(CONSTANT VOLTAGE DUAL SUPPLY, DUAL RANGE)

SIZE CAGE CODE DWG NO. REV

A 56232 1213625 G

SCALE NONE SHEET 8 OF 8

C and H are tied together in 4/103W463 Cable Harness Assy

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